diff --git a/src/app/devices/pnp/components/deviceProperties/__snapshots__/devicePropertiesPerInterface.spec.tsx.snap b/src/app/devices/pnp/components/deviceProperties/__snapshots__/devicePropertiesPerInterface.spec.tsx.snap
index 958840bc..2d72ec61 100644
--- a/src/app/devices/pnp/components/deviceProperties/__snapshots__/devicePropertiesPerInterface.spec.tsx.snap
+++ b/src/app/devices/pnp/components/deviceProperties/__snapshots__/devicePropertiesPerInterface.spec.tsx.snap
@@ -8,6 +8,7 @@ exports[`devicePropertiesPerInterface matches snapshot 1`] = `
     className="list-detail pnp-properties"
   >
     <ResizableDetailsList
+      ariaLabel="deviceProperties.propertiesTableAriaLabel"
       checkboxVisibility={2}
       columns={
         [
diff --git a/src/app/devices/pnp/components/deviceProperties/devicePropertiesPerInterface.tsx b/src/app/devices/pnp/components/deviceProperties/devicePropertiesPerInterface.tsx
index 4f9cadde..9b0ebf2c 100644
--- a/src/app/devices/pnp/components/deviceProperties/devicePropertiesPerInterface.tsx
+++ b/src/app/devices/pnp/components/deviceProperties/devicePropertiesPerInterface.tsx
@@ -143,6 +143,7 @@ export const DevicePropertiesPerInterface: React.FC<DevicePropertiesDataProps> =
                     items={props.twinAndSchema}
                     columns={getColumns()}
                     layoutMode={DetailsListLayoutMode.justified}
+                    ariaLabel={t(ResourceKeys.deviceProperties.propertiesTableAriaLabel)}
                 />
                 {showOverlay && <Overlay />}
                 {createReportedValuePanel()}
diff --git a/src/app/devices/pnp/components/deviceSettings/__snapshots__/deviceSettingsPerInterface.spec.tsx.snap b/src/app/devices/pnp/components/deviceSettings/__snapshots__/deviceSettingsPerInterface.spec.tsx.snap
index 70b1c173..b9e84626 100644
--- a/src/app/devices/pnp/components/deviceSettings/__snapshots__/deviceSettingsPerInterface.spec.tsx.snap
+++ b/src/app/devices/pnp/components/deviceSettings/__snapshots__/deviceSettingsPerInterface.spec.tsx.snap
@@ -5,6 +5,7 @@ exports[`components/devices/deviceSettingsPerInterface matches snapshot 1`] = `
   className="pnp-detail-list pnp-properties scrollable-lg"
 >
   <ResizableDetailsList
+    ariaLabel="deviceSettings.writablePropertiesTableAriaLabel"
     ariaLabelForSelectAllCheckbox="deviceSettings.columns.selectAll"
     ariaLabelForSelectionColumn="deviceSettings.columns.toggleSelection"
     checkButtonAriaLabel="deviceSettings.columns.rowCheckBoxAriaLabel"
diff --git a/src/app/devices/pnp/components/deviceSettings/deviceSettingsPerInterface.tsx b/src/app/devices/pnp/components/deviceSettings/deviceSettingsPerInterface.tsx
index f9f424dd..7cff106d 100644
--- a/src/app/devices/pnp/components/deviceSettings/deviceSettingsPerInterface.tsx
+++ b/src/app/devices/pnp/components/deviceSettings/deviceSettingsPerInterface.tsx
@@ -271,6 +271,7 @@ export const DeviceSettingsPerInterface: React.FC<DeviceSettingDataProps & Devic
                 ariaLabelForSelectAllCheckbox={t(ResourceKeys.deviceSettings.columns.selectAll)}
                 ariaLabelForSelectionColumn={t(ResourceKeys.deviceSettings.columns.toggleSelection)}
                 checkButtonAriaLabel={t(ResourceKeys.deviceSettings.columns.rowCheckBoxAriaLabel)}
+                ariaLabel={t(ResourceKeys.deviceSettings.writablePropertiesTableAriaLabel)}
             />
             {createReportedValuePanel()}
             {showOverlay && <Overlay/>}
diff --git a/src/app/devices/shared/components/simpleReportedSection.tsx b/src/app/devices/shared/components/simpleReportedSection.tsx
index a740731d..8f1440f3 100644
--- a/src/app/devices/shared/components/simpleReportedSection.tsx
+++ b/src/app/devices/shared/components/simpleReportedSection.tsx
@@ -3,7 +3,7 @@
  * Licensed under the MIT License
  **********************************************************/
 import * as React from 'react';
-import { Validator, ValidationError } from 'jsonschema';
+import { Validator, ValidationError, ValidatorResult } from 'jsonschema';
 import { Label } from '@fluentui/react';
 import { useTranslation } from 'react-i18next';
 import { ParsedJsonSchema } from '../../../api/models/interfaceJsonParserOutput';
@@ -13,7 +13,10 @@ import { ResourceKeys } from '../../../../localization/resourceKeys';
 // tslint:disable-next-line: cyclomatic-complexity
 export const RenderSimplyTypeValue = (twin: any, schema: ParsedJsonSchema, displayValue: any, desired: boolean=false) => { // tslint:disable-line:no-any
     const validator = new Validator();
-    const result = validator.validate(twin, schema);
+    let result: ValidatorResult | undefined;
+    if((schema as any)['$id'] || (schema as any)['id']){
+         result = validator.validate(twin, schema);
+    }
     const getDisplayValue = () => {
         if (typeof(twin) === 'object') {
             const twinCopy = {
diff --git a/src/app/shared/resizeDetailsList/__snapshots__/resizableDetailsList.spec.tsx.snap b/src/app/shared/resizeDetailsList/__snapshots__/resizableDetailsList.spec.tsx.snap
index 6c9209bc..4d8a0411 100644
--- a/src/app/shared/resizeDetailsList/__snapshots__/resizableDetailsList.spec.tsx.snap
+++ b/src/app/shared/resizeDetailsList/__snapshots__/resizableDetailsList.spec.tsx.snap
@@ -3,6 +3,7 @@
 exports[`ResizableDetailsList matches snapshot 1`] = `
 <Fragment>
   <StyledWithViewportComponent
+    ariaLabelForGrid="resizableDetailsList.defaultAriaLabel"
     columns={[]}
     componentRef={
       {
diff --git a/src/app/shared/resizeDetailsList/resizableDetailsList.tsx b/src/app/shared/resizeDetailsList/resizableDetailsList.tsx
index c81c8439..4cb5dd71 100644
--- a/src/app/shared/resizeDetailsList/resizableDetailsList.tsx
+++ b/src/app/shared/resizeDetailsList/resizableDetailsList.tsx
@@ -8,10 +8,14 @@ import { ColumnActionsMode, ContextualMenu, DetailsList, IColumn, IContextualMen
 import { ResizeDetailsListDialog } from './dialog';
 import { ResourceKeys } from '../../../localization/resourceKeys';
 
-export const ResizableDetailsList: React.FC<IDetailsListProps> = props => {
+export interface ResizableDetailsListProps extends IDetailsListProps {
+    ariaLabel?: string;
+}
+
+export const ResizableDetailsList: React.FC<ResizableDetailsListProps> = props => {
     const { t } = useTranslation();
     const { ariaLabelForSelectionColumn, ariaLabelForSelectAllCheckbox, checkButtonAriaLabel,
-            items, columns, selection, selectionMode, layoutMode, checkboxVisibility, className, onRenderItemColumn } = props;
+            items, columns, selection, selectionMode, layoutMode, checkboxVisibility, className, onRenderItemColumn, ariaLabel, ...restProps } = props;
 
     const [ isDialogHidden, setIsDialogHidden] = React.useState(true);
     const [ contextualMenuProps, setContextualMenuProps] = React.useState<IContextualMenuProps | undefined>(undefined);
@@ -60,6 +64,8 @@ export const ResizableDetailsList: React.FC<IDetailsListProps> = props => {
                 selection={selection}
                 selectionMode={selectionMode}
                 onRenderItemColumn={onRenderItemColumn}
+                ariaLabelForGrid={ariaLabel || t(ResourceKeys.resizableDetailsList.defaultAriaLabel)}
+                {...restProps}
             />
             {contextualMenuProps && <ContextualMenu {...contextualMenuProps} />}
             <ResizeDetailsListDialog
diff --git a/src/app/shared/utils/credentialStorage.ts b/src/app/shared/utils/credentialStorage.ts
index 52974d1f..143f7c55 100644
--- a/src/app/shared/utils/credentialStorage.ts
+++ b/src/app/shared/utils/credentialStorage.ts
@@ -14,9 +14,9 @@ const CONN_STRINGS_KEY = 'connection-strings';
  */
 export const storeConnectionStrings = async (value: ConnectionStringWithExpiry[]): Promise<void> => {
     const serialized = JSON.stringify(value);
-    const credentialsApi = getCredentialsInterface();
 
     try {
+        const credentialsApi = getCredentialsInterface();
         const isAvailable = await credentialsApi.isEncryptionAvailable();
         if (isAvailable) {
             await credentialsApi.store(CONN_STRINGS_KEY, serialized);
@@ -38,9 +38,8 @@ export const storeConnectionStrings = async (value: ConnectionStringWithExpiry[]
  * with automatic migration from localStorage if needed.
  */
 export const getConnectionStrings = async (): Promise<ConnectionStringWithExpiry[]> => {
-    const credentialsApi = getCredentialsInterface();
-
     try {
+        const credentialsApi = getCredentialsInterface();
         const isAvailable = await credentialsApi.isEncryptionAvailable();
         if (isAvailable) {
             const encrypted = await credentialsApi.get(CONN_STRINGS_KEY);
@@ -74,9 +73,8 @@ export const getConnectionStrings = async (): Promise<ConnectionStringWithExpiry
  * Delete all connection strings from storage
  */
 export const deleteConnectionStrings = async (): Promise<void> => {
-    const credentialsApi = getCredentialsInterface();
-
     try {
+        const credentialsApi = getCredentialsInterface();
         await credentialsApi.delete(CONN_STRINGS_KEY);
     } catch (error) {
         // tslint:disable-next-line: no-console
diff --git a/src/localization/locales/en.json b/src/localization/locales/en.json
index 4bf2e951..7a3bd510 100644
--- a/src/localization/locales/en.json
+++ b/src/localization/locales/en.json
@@ -50,7 +50,8 @@
         "buttons": {
             "resize": "Resize",
             "cancel": "Cancel"
-        }
+        },
+        "defaultAriaLabel": "Data table"
     },
     "header": {
         "applicationName": "Azure IoT Explorer",
@@ -481,6 +482,7 @@
         },
         "headerText": "Read-only properties",
         "noProperties": "ComponentName {{componentName}} contains no read-only property definitions",
+        "propertiesTableAriaLabel": "Device properties table with name, value, schema, and unit columns",
         "columns": {
             "name": "Name (Display Name / Description)",
             "value": "Value",
@@ -525,7 +527,8 @@
         },
         "panel": {
             "title": "Reported value"
-        }
+        },
+        "writablePropertiesTableAriaLabel": "Writable properties table with name, schema, unit, desired value, and reported value columns"
     },
     "deviceCommands": {
         "command" : {
diff --git a/src/localization/resourceKeys.ts b/src/localization/resourceKeys.ts
index aad7ace9..187baf9b 100644
--- a/src/localization/resourceKeys.ts
+++ b/src/localization/resourceKeys.ts
@@ -676,6 +676,7 @@ export class ResourceKeys {
       },
       headerText : "deviceProperties.headerText",
       noProperties : "deviceProperties.noProperties",
+      propertiesTableAriaLabel : "deviceProperties.propertiesTableAriaLabel",
    };
    public static deviceSettings = {
       ackStatus : {
@@ -711,6 +712,7 @@ export class ResourceKeys {
       panel : {
          title : "deviceSettings.panel.title",
       },
+      writablePropertiesTableAriaLabel : "deviceSettings.writablePropertiesTableAriaLabel",
    };
    public static deviceTwin = {
       command : {
@@ -1008,6 +1010,7 @@ export class ResourceKeys {
          subText : "resizableDetailsList.content.subText",
          title : "resizableDetailsList.content.title",
       },
+      defaultAriaLabel : "resizableDetailsList.defaultAriaLabel",
    };
    public static settings = {
       close : "settings.close",